Fog Machine Fluid: 1 Litre1 Litre of High Grade Fog Fluid for Smoke Machine Liquid Fog Mist Party Effects. Fog fluid specially formulated to give high quality performance for all makes of fog machines up to 900W. As a result leaving no residue from this non toxic, water based fluid. Features: Suitable for all fog machines up to 900W. Leaves no residue. Non toxic solution. Conforms with REACH EC directive 91 155 EC. Density: Light. Colour of fluid: Yellow. Colour of fog: White.